Orange County Transportation Authority bus ridership levels have been drastically reduced since 2008. Although fiscal year 2011-2012 showed some slight growth, the following two years have shown slight declines. This trend has persisted in FY 2015-2016 where total bus ridership was measured at 43,271,545, a nearly 8 percent reduction compared to FY 2014-2015 and staggering reduction of 33 percent compared to FY 2008-2009.

After muted bus ridership growth in the beginning of 2015 was followed by a large jump in ridership during the month of March; bus ridership levels have experienced a downward trend going into the end of the year. For the month of December 2016, OCTA registered 3,059,531 riders which represents a decrease of 233,842 riders compared to November 2016 levels and a decrease of 344,539 riders compared to December 2015 ridership levels.

Metrolink ridership rates have shown great performance in 2013, but struggled slightly through 2014 with declining usage. In December 2015, the average ridership for the Orange County line decreased from 184,510 in November 2015 to 182,626 in December 2015, a decrease of 1.0 percent. For the Inland Empire to Orange County line, ridership decreased from 89,449 to 87,302, a decrease of 2.4 percent. And finally for the 91 line, ridership decreased from 56,456 in November 2015 to 55,873 in December 2015, a decrease of 1.0 percent.

Both Foothill and San Joaquin toll roads have trended upward through 2014 and into 2015. In January 2017, transactions on the Foothill toll road totaled 170,668 representing an increase of 9,177 since January 2016, and the San Joaquin toll road transactions totaled 78,907 representing 2,750 more users above its ridership for the same time period.